{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d3223b9c60a3","name":"REAR SPROCKET STEEL JTR808.51SC JT, LIGHTWEIGHT SELF-CLEANING, JTR808.51SC, JTR80851SC","sku":"SR808-51.JT.S.SC","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":24.71,"formatted":"£24.71"},"summary":"REAR SPROCKET STEEL JTR808.51SC JT, LIGHTWEIGHT SELF-CLEANING. This rear sprocket features a unique self-cleaning design that keeps the contact area clear while significantly reducing weight compared to conventional steel rears. Constructed from heat-induction hardened C45 steel, it lasts up to six times longer than 7075 aluminium sprockets and greatly extends chain life by minimizing abrasive buildup. The optimized tooth geometry ensures smooth, efficient drive. Specifications include a 51-tooth count, 520 drive chain pitch, and a black colour. Material: Heat-induction hardened C45 steel. Manufacturer: JT.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"290804"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR808-51_2EJT_2ES_2ESC/71e247cf944ef985.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR808-51_2EJT_2ES_2ESC/71e247cf944ef985.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR808-51_2EJT_2ES_2ESC/53e10367e44debf5.png"],"description":"REAR SPROCKET STEEL JTR808.51SC JT, LIGHTWEIGHT SELF-CLEANING. This rear sprocket features a unique self-cleaning design that keeps the contact area clear while significantly reducing weight compared to conventional steel rears. Constructed from heat-induction hardened C45 steel, it lasts up to six times longer than 7075 aluminium sprockets and greatly extends chain life by minimizing abrasive buildup. The optimized tooth geometry ensures smooth, efficient drive. Specifications include a 51-tooth count, 520 drive chain pitch, and a black colour. Material: Heat-induction hardened C45 steel. Manufacturer: JT.","descriptionMarkdown":"### JT Lightweight Self-Cleaning Steel Rear Sprocket\n\nExperience the next standard in motocross durability and efficiency with the JT Lightweight Self-Cleaning Steel Rear Sprocket. This sprocket features a unique self-cleaning profile designed to keep the contact patch clear of debris, while also significantly trimming weight compared to conventional steel rear sprockets.\n\nConstructed from heat-induction hardened C45 steel, this sprocket is engineered for longevity, lasting up to six times longer than a 7075 aluminum sprocket. This extended lifespan not only protects your chain but also helps maintain optimal lap times by minimizing abrasive buildup.\n\n**Key Features:**\n\n\t\n- Unique self-cleaning design effectively clears debris from the contact area.\n\t\n- Significantly reduced weight compared to traditional steel rear sprockets.\n\t\n- Built with durable heat-induction hardened C45 steel for superior wear resistance.\n\t\n- Offers up to 6 times the lifespan of a 7075 aluminum sprocket.\n\t\n- Extends chain life by minimizing abrasive buildup.\n\t\n- Features optimized tooth geometry for smooth and efficient power transfer.\n\n**Specifications:**\n\n\t\n- Material: Heat-induction hardened C45 steel\n\t\n- Tooth Count: 51\n\t\n- Drive Chain Pitch: 520\n\t\n- Color: Black","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KLX 400R","cc":null,"notes":null,"years":"2003"},{"make":"SUZUKI","model":"DR 250","cc":null,"notes":null,"years":"1990–1993"},{"make":"SUZUKI","model":"DR 350","cc":null,"notes":null,"years":"1990–1999"},{"make":"SUZUKI","model":"DR S 350","cc":null,"notes":null,"years":"1996–2000"},{"make":"SUZUKI","model":"DR SE 350","cc":null,"notes":null,"years":"1990–1999"},{"make":"SUZUKI","model":"DR Z E 400","cc":null,"notes":null,"years":"2000–2011"},{"make":"SUZUKI","model":"DR Z S 400","cc":null,"notes":null,"years":"2000–2018"},{"make":"SUZUKI","model":"DR Z SM 400","cc":null,"notes":null,"years":"2005–2019"},{"make":"SUZUKI","model":"DR-Z 250","cc":null,"notes":null,"years":"2001–2007"},{"make":"SUZUKI","model":"DR-Z 400","cc":null,"notes":null,"years":"2000–2024"},{"make":"SUZUKI","model":"RM 125","cc":null,"notes":null,"years":"1979–2011"},{"make":"SUZUKI","model":"RM 250","cc":null,"notes":null,"years":"1981–2012"},{"make":"SUZUKI","model":"RM J K L M N 250","cc":null,"notes":null,"years":"1987–2011"},{"make":"SUZUKI","model":"RM J K L M N P 125","cc":null,"notes":null,"years":"1988–1991"},{"make":"SUZUKI","model":"RM V W X Y K1 K2 250","cc":null,"notes":null,"years":"1981"},{"make":"SUZUKI","model":"RM-Z 250","cc":null,"notes":null,"years":"2004–2025"},{"make":"SUZUKI","model":"RM-Z 450","cc":null,"notes":null,"years":"2005–2025"},{"make":"SUZUKI","model":"RMX 250","cc":null,"notes":null,"years":"1989–2001"},{"make":"SUZUKI","model":"RMX Z 450","cc":null,"notes":null,"years":"2010–2019"}],"collections":[{"name":"Chain & Sprockets","url":"https://www.2brosparts.com/api/agent/collection/GB/chain-sprockets"},{"name":"Sprockets & Components (Rear)","url":"https://www.2brosparts.com/api/agent/collection/GB/sprockets-components-rear"}],"links":{"page":"https://www.2brosparts.com/products/rear-sprocket-steel-jtr80851sc-jt-lightweight-self-cleaning-jtr80851sc-jtr80851s","buyOneNow":null,"basketWithThis":null}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}